| Équations équilibrées la veille |
2 Cr + 2 KOH + 2 H2O = 2 KCrO2 + 3 H2
Na2C2O4 + O2 = CO2 + Na2O =>
2 Na2C2O4 + O2 = 4 CO2 + 2 Na2O
IrCl3(aq) + NaOH(aq) = Ir2O3(s) + HCl(aq) + NaCl(aq) =>
2 IrCl3(aq) + 3 NaOH(aq) = Ir2O3(s) + 3 HCl(aq) + 3 NaCl(aq)
NaHCO3 + NiSO4 = Na2SO4 + Ni(HCO3)2 =>
2 NaHCO3 + NiSO4 = Na2SO4 + Ni(HCO3)2
Ca + CuF2 = Cu + CaF2 =>
Ca + CuF2 = Cu + CaF2
Ca + H2SO3 = CaSO3 + H2 =>
Ca + H2SO3 = CaSO3 + H2
NO2(g) + H2O(g) = HNO3(ac) + NO(g) =>
3 NO2(g) + H2O(g) = 2 HNO3(ac) + NO(g)
C7H9 + HNO3 = C7H6(NO2)3 + H2O =>
C7H9 + 3 HNO3 = C7H6(NO2)3 + 3 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NOHSO4 + H2O = N2O3 + H2SO4 =>
2 NOHSO4 + H2O = N2O3 + 2 H2SO4
NaH2PO4 + Ba(OH)2 = Ba3(PO4)2 + Na3PO4 + H2O =>
3 NaH2PO4 + 3 Ba(OH)2 = Ba3(PO4)2 + Na3PO4 + 6 H2O
C3H6O2 + H2O = CH2O2 + C2H6O =>
C3H6O2 + H2O = CH2O2 + C2H6O
KMnO4 + Cr2(SO4)3 + KOH = K2MnO4 + K2SO4 + K2CrO4 + H2O =>
6 KMnO4 + Cr2(SO4)3 + 16 KOH = 6 K2MnO4 + 3 K2SO4 + 2 K2CrO4 + 8 H2O
BaO + C + N2 = Ba(CN)2 + CO2 =>
2 BaO + 5 C + 2 N2 = 2 Ba(CN)2 + CO2
NaCrO2 + Cl2 + NaOH = NaCrO4 + H2O + NaCl =>
NaCrO2 + 2 Cl2 + 4 NaOH = NaCrO4 + 2 H2O + 4 NaCl
C10H22 + O2 = CH2O + H2O =>
2 C10H22 + 11 O2 = 20 CH2O + 2 H2O
CO2(s) + H2O(l) = H2CO3(aq) =>
CO2(s) + H2O(l) = H2CO3(aq)
Sb2S5 = Sb2S3 + S =>
Sb2S5 = Sb2S3 + 2 S
MnO + H = Mn + HO =>
MnO + H = Mn + HO
Sn(NO3)4 + K2SO3 = Sn2(SO3)4 + KNO3 =>
2 Sn(NO3)4 + 4 K2SO3 = Sn2(SO3)4 + 8 KNO3
AlCl3O9 = AlCl3 + O2 =>
2 AlCl3O9 = 2 AlCl3 + 9 O2
N2 + O2 + H2O = HNO3 =>
2 N2 + 5 O2 + 2 H2O = 4 HNO3
Ca3(PO4)2 + Al = Al(PO4) + Ca =>
Ca3(PO4)2 + 2 Al = 2 Al(PO4) + 3 Ca
WO3 + SnCl2 + HCl = H2(SnCl6) + W3O8 + H2O =>
3 WO3 + SnCl2 + 4 HCl = H2(SnCl6) + W3O8 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ag + F2 = AgF2 =>
Ag + F2 = AgF2
NH4Br + AgNO3 = NH4NO3 + AgBr =>
NH4Br + AgNO3 = NH4NO3 + AgBr
CH3CH2CO2H + NaOH = NaCH3CH2CO2 + H2O =>
CH3CH2CO2H + NaOH = NaCH3CH2CO2 + H2O
Ca(s) + H2O = Ca(OH)2 + H =>
Ca(s) + 2 H2O = Ca(OH)2 + 2 H
F2S3 = F2 + S3 =>
F2S3 = F2 + S3
Fe2O3 + Cl2O5 = Fe(ClO3)3 =>
Fe2O3 + 3 Cl2O5 = 2 Fe(ClO3)3
Fe2 + K3Fe(CN)6 = KFe[Fe(CN)6] + K =>
Fe2 + 2 K3Fe(CN)6 = 2 KFe[Fe(CN)6] + 4 K
C8H18S + O2 = CO2 + H2O + SO2 =>
2 C8H18S + 27 O2 = 16 CO2 + 18 H2O + 2 SO2
F2(g) + NaI(aq) = NaF + I =>
F2(g) + 2 NaI(aq) = 2 NaF + 2 I
KNO3 + MnO2 + KOH = KNO2 + KMnO4 + H2O =>
3 KNO3 + 2 MnO2 + 2 KOH = 3 KNO2 + 2 KMnO4 + H2O
Fe2O3 + Br2 = FeBr3 + O2 =>
2 Fe2O3 + 6 Br2 = 4 FeBr3 + 3 O2
CH3CH3 = CH2CH2 + H2 =>
CH3CH3 = CH2CH2 + H2
H3PO4 + Na2S2O3 = Na3PO4 + S + H2O + SO2 =>
2 H3PO4 + 3 Na2S2O3 = 2 Na3PO4 + 3 S + 3 H2O + 3 SO2
HFCl3 + Al = HFCl2 + AlCl3 =>
3 HFCl3 + Al = 3 HFCl2 + AlCl3
C4H6 + Cl2 = C4H5Cl + HCl =>
C4H6 + Cl2 = C4H5Cl + HCl
HCH2CCO2 + NaOH = NaCH2CCO2 + H2O =>
HCH2CCO2 + NaOH = NaCH2CCO2 + H2O
Al(OH)3 + H2SO4(aq) = Al2(SO4)3(aq) + H2O =>
2 Al(OH)3 + 3 H2SO4(aq) = Al2(SO4)3(aq) + 6 H2O
NaCl(s) + H2SO4(aq) = Na2SO4 + HCl =>
2 NaCl(s) + H2SO4(aq) = Na2SO4 + 2 HCl
Mg3P2 + K2Cr2O7 + HCl = Mg3(PO4)2 + CrCl3 + KCl + H2O =>
3 Mg3P2 + 8 K2Cr2O7 + 64 HCl = 3 Mg3(PO4)2 + 16 CrCl3 + 16 KCl + 32 H2O
Na2C2O4 + Ca(HCO3)2 = NaHCO3 + CaC2O4 =>
Na2C2O4 + Ca(HCO3)2 = 2 NaHCO3 + CaC2O4
CO2 + H2S = C6H12O6 + S + H2O =>
6 CO2 + 12 H2S = C6H12O6 + 12 S + 6 H2O
LiBr + CoSO3 = Li2SO3 + Br2Co =>
2 LiBr + CoSO3 = Li2SO3 + Br2Co
Br2 + KOH = KBrO3 + KBr + H2O =>
3 Br2 + 6 KOH = KBrO3 + 5 KBr + 3 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Na2CO3(s) + HCl(Ac) = NaCl(Ac) + CO2(g) + H2O(l) =>
Na2CO3(s) + 2 HCl(Ac) = 2 NaCl(Ac) + CO2(g) + H2O(l)
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